2. 100% of the restricted stock unit granted on May 17, 2017 became vested on May 16, 2018 and shares were delivered to reporting person on that date.

3. 100% of the restricted stock unit granted on May 16, 2018 will become vested on the earlier of (i) May 16, 2019 or (ii) the date of the 2019 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

Roger E. George Atty-in-Fact for Joseph Lacob

05/18/2018

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).